Home / 32,258.80-48,323.40-21,761.20

Finding the Fourth Proportional to 32,258.80, 48,323.40 and 21,761.20

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Solution

The fourth proportional to 32,258.80, 48,323.40 and 21,761.20 is: 32,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,258.80 : 48,323.40 = 21,761.20 : x
  2. Step 2: Convert to fraction form
    32,258.80/48,323.40 = 21,761.20/x
  3. Step 3: Cross multiply
    32,258.80x = 48,323.40 × 21,761.20
  4. Step 4: Simplify right side
    32,258.80x = 1,051,575,172.08
  5. Step 5: Solve for x
    x = 1,051,575,172.08/32,258.80
  6. Step 6: Final answer
    x = 32,598.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.